BirdAnalyst
Species · Wisconsin · BBS 2025 Release · 1966–2024

Hairy Woodpecker Population Trend in Wisconsin

All statesForest birds

Hairy Woodpecker in Wisconsin has surged: up 203% on the route-weighted index since 1968.

+203%Since 1968
98Routes In State
58Years

Notable Hairy Woodpecker Trends in Wisconsin

long arc increasecomputed index

Hairy Woodpecker has surged in Wisconsin: up 203% on the route-weighted index since 1968.

Hairy Woodpecker Population Forecast in Wisconsin

If the recent trend holds, Hairy Woodpecker in Wisconsin is projected to fall about 11% by 2029 — from 1.6 in 2024 to a central estimate of 1.4 (95% range 1.0–1.8). A 5-year backtest shows a typical error of ±12.2%, with 100% of held-out values landing inside the 95% band.

-11%Change by 2029
1.4Projected 2029 index
1.0–1.895% range
±12.2%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20251.40.981.8
20261.40.991.8
20271.41.01.8
20281.41.01.8
20291.41.01.8

Hairy Woodpecker Survey Routes in Wisconsin

Routes recording Hairy Woodpecker in Wisconsin.
Gresham820241998
Cumberland720231967
Eagle River720241966
Holway619881967
Wausaukee620241984
Meridean620241998
Amnicon Falls520241998
Prairie Du Chien520241998
Chaffey420241966
Shanagolden420241975
Weyerhauser420231972
Rib Lake420191966
Washington I420241967
Newburg Crns420221968
Cavour420241998
Bayfield320241973
Loraine320181966
Popple River320241970
Manitowoc320241979
N Andover320241967
Land O' Lakes 2320242017
Mellen320241998
Weirgor Springs320241999
River Falls320241998
Iron River220241969

Hairy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.